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Finding the Fourth Proportional to 350,570.13, 484,604.03 and 312,704.96

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Solution

The fourth proportional to 350,570.13, 484,604.03 and 312,704.96 is: 432,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,570.13 : 484,604.03 = 312,704.96 : x
  2. Step 2: Convert to fraction form
    350,570.13/484,604.03 = 312,704.96/x
  3. Step 3: Cross multiply
    350,570.13x = 484,604.03 × 312,704.96
  4. Step 4: Simplify right side
    350,570.13x = 151,538,079,830.44
  5. Step 5: Solve for x
    x = 151,538,079,830.44/350,570.13
  6. Step 6: Final answer
    x = 432,261.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.